Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

54°F

12°C

Humidity 72%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 18 Nov 01:13 PM PST
Extended Forecast for

Penn Valley CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 55. Light west southwest wind.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 44. Calm wind.

    Low: 44 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers, mainly after 10pm.  Low around 46. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 10am.  High near 51. Light south wind.  Chance of precipitation is 80%.

    High: 51 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 55. Light west southwest wind.
Tonight
Increasing clouds, with a low around 44. Calm wind.
Wednesday
Partly sunny, with a high near 53. Light and variable wind.
Wednesday Night
Showers, mainly after 10pm. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, mainly before 10am. High near 51. Light south wind. Chance of precipitation is 80%.
Thursday Night
A 20 percent chance of showers before 10pm. Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 44.
Monday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.21°N 121.19°W (Elev. 1401 ft)
1:20 pm PST Nov 18, 2025
2pm PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database